Open Access
Subgroups of people who make frequent emergency department visits in Ontario and Alberta: a retrospective cohort study
Jessica Moe, Elle (Yuequiao) Wang, Margaret J. McGregor, Michael J. Schull, Kathryn Dong, Brian R. Holroyd, Corinne M. Hohl, Eric Grafstein, Fiona O’Sullivan, Johanna Trimble and Kimberlyn M. McGrail
March 15, 2022 10 (1) E232-E246; DOI: https://doi.org/10.9778/cmajo.20210132